Pith Number

pith:SSHM52F2

pith:2013:SSHM52F2TVQSPLH4FQBRM6ZPQB

not attested not anchored not stored refs pending

A Novel Architecture For Question Classification Based Indexing Scheme For Efficient Question Answering

A.K.Sharma, Ashutosh Dixit, Renu Mudgal, Rosy Madaan

arxiv:1307.6937 v1 · 2013-07-26 · cs.IR · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSHM52F2TVQSPLH4FQBRM6ZPQB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:17:25.811980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

948ecee8ba9d6127acfc2c03167b2f80448acc947ad0ba833cb088506848e261

Aliases

arxiv: 1307.6937 · arxiv_version: 1307.6937v1 · doi: 10.48550/arxiv.1307.6937 · pith_short_12: SSHM52F2TVQS · pith_short_16: SSHM52F2TVQSPLH4 · pith_short_8: SSHM52F2

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SSHM52F2TVQSPLH4FQBRM6ZPQB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 948ecee8ba9d6127acfc2c03167b2f80448acc947ad0ba833cb088506848e261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50a21b00fdf5adcf58244f48ea3894a987056f00b8232fd3b7eadb539b92fc27",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-07-26T06:57:37Z",
    "title_canon_sha256": "46d6ccb014669cd40a9583a741218e8f3eb657ff20e8ab75b5a09227a55c471f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6937",
    "kind": "arxiv",
    "version": 1
  }
}